JP2018007255A - Hearing assistance device for informing about state of wearer - Google Patents
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- 230000006870 function Effects 0.000 claims abstract description 46
- 238000004891 communication Methods 0.000 claims abstract description 12
- 230000002093 peripheral effect Effects 0.000 claims description 36
- 230000001186 cumulative effect Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 description 14
- 206010011878 Deafness Diseases 0.000 description 11
- 208000016354 hearing loss disease Diseases 0.000 description 8
- 208000032041 Hearing impaired Diseases 0.000 description 5
- 231100000888 hearing loss Toxicity 0.000 description 4
- 230000010370 hearing loss Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 231100000895 deafness Toxicity 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 210000003454 tympanic membrane Anatomy 0.000 description 2
- 208000000781 Conductive Hearing Loss Diseases 0.000 description 1
- 206010010280 Conductive deafness Diseases 0.000 description 1
- 206010011882 Deafness congenital Diseases 0.000 description 1
- 206010011891 Deafness neurosensory Diseases 0.000 description 1
- 208000030453 Drug-Related Side Effects and Adverse reaction Diseases 0.000 description 1
- 208000008719 Mixed Conductive-Sensorineural Hearing Loss Diseases 0.000 description 1
- 206010033078 Otitis media Diseases 0.000 description 1
- 206010036626 Presbyacusis Diseases 0.000 description 1
- 208000009966 Sensorineural Hearing Loss Diseases 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 208000023563 conductive hearing loss disease Diseases 0.000 description 1
- 210000000613 ear canal Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 208000021760 high fever Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 206010033072 otitis externa Diseases 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 231100000879 sensorineural hearing loss Toxicity 0.000 description 1
- 208000023573 sensorineural hearing loss disease Diseases 0.000 description 1
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1016—Earpieces of the intra-aural type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/105—Earpiece supports, e.g. ear hooks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/30—Monitoring or testing of hearing aids, e.g. functioning, settings, battery power
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/43—Electronic input selection or mixing based on input signal analysis, e.g. mixing or selection between microphone and telecoil or between microphones with different directivity characteristics
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
- H04R25/554—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired using a wireless connection, e.g. between microphone and amplifier or using Tcoils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
- G10L2025/783—Detection of presence or absence of voice signals based on threshold decision
- G10L2025/786—Adaptive threshold
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/41—Detection or adaptation of hearing aid parameters or programs to listening situation, e.g. pub, forest
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/61—Aspects relating to mechanical or electronic switches or control elements, e.g. functioning
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Otolaryngology (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
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- Circuit For Audible Band Transducer (AREA)
- Telephone Function (AREA)
Abstract
Description
本発明は、聴音補助装置に関し、特に周辺聴取機能及び音楽聴取機能を遂行しながら、周辺聴取機能の遂行時に、着用者が周辺聴取機能により音声聴取可能であることを対話相手に認知させる、着用者の状態を知らせる聴音補助装置に関する。 The present invention relates to a hearing aid device, and in particular, while performing a peripheral listening function and a music listening function, at the time of performing the peripheral listening function, allows the wearer to recognize that the wearer can listen to the voice by the peripheral listening function. The present invention relates to a hearing aid device that notifies a person's condition.
一般に、難聴者とは、日常生活での対話が困難になる程に聞こえ難い者、即ち、聴覚障害者であって、難聴の程度によって軽度難聴、中度難聴、中高度難聴及び高度難聴などに分類される。 In general, a hearing-impaired person is a person who is difficult to hear to the extent that conversation in daily life becomes difficult, i.e. a hearing-impaired person, and may be mildly deaf, moderately deaf, moderately deaf or highly deaf. being classified.
難聴の種類としては、伝音性難聴、感音性難聴及び混合性難聴があり、外耳道の損傷や、鼓膜の穿孔や、耳小骨の離脱や、外耳炎又は中耳炎による失聴、老人性難聴、先天性難聴、遺伝性難聴、高音（大音量）による失聴、高熱及び薬物副作用による失聴などの理由のため、骨導経路及び気導経路の損傷の程度に基づいて区分している。 Types of hearing loss include conductive hearing loss, sensorineural hearing loss and mixed hearing loss, damage to the external auditory canal, perforation of the eardrum, detachment of the ossicles, deafness due to otitis externa or otitis media, senile deafness, For reasons such as congenital deafness, hereditary hearing loss, deafness due to high sounds (high volume), deafness due to high fever and drug side effects, the classification is based on the degree of damage to the bone and airway.
従って、このような聴覚に障害がある難聴者は、自然な日常生活が難しいため、難聴の程度を十分に補償可能な補聴器が必要になる。補聴器は、難聴の程度によって話者音や周辺音を増幅させて、難聴者の聞こえの正確性を高め、より自然音に近く聞こえるように補助する装置である。 Therefore, hearing-impaired persons with hearing impairments need a hearing aid that can sufficiently compensate for the degree of hearing loss because natural daily life is difficult. A hearing aid is a device that amplifies speaker sound and ambient sound depending on the degree of hearing loss, improves the accuracy of hearing of the hearing impaired person, and assists in hearing more like a natural sound.
一般に、補聴器は、話者音や周辺音を収集して電気的な信号に出力する送話器と、送話器から出力された信号を受けて整流及び増幅する増幅器と、増幅器で増幅された信号を音波に変換して難聴者の耳に伝達する受話器及び送話器と、受話器及び増幅器に電力を供給するバッテリーとからなる。このような補聴器の種類としては箱（ポケット）型、耳かけ型、メガネ型及び耳あな型があるが、最近は耳あな型をより発展させたような耳の中に深く挿入可能な鼓膜型が追加された。 In general, a hearing aid is a transmitter that collects speaker sound and ambient sound and outputs it as an electrical signal, an amplifier that rectifies and amplifies the signal output from the transmitter, and is amplified by the amplifier. It consists of a receiver and transmitter that convert the signal into sound waves and transmit it to the ear of the hearing impaired person, and a battery that supplies power to the receiver and amplifier. The types of hearing aids include box (pocket) type, ear hook type, glasses type, and ear hole type. Recently, the eardrum type can be inserted deeply into the ear, which is a further development of the ear hole type. Was added.
従来の補聴器の場合、着用者が補聴器を作動させて周辺聴取機能により周辺の音声が聞こえるため、対話可能の可否を確認する方法がなかった。 In the case of a conventional hearing aid, since the wearer operates the hearing aid and hears surrounding sounds by the peripheral listening function, there is no method for confirming whether or not dialogue is possible.
本発明の目的は、周辺聴取機能及び音楽聴取機能を遂行しながら、周辺聴取機能の遂行時に、着用者が周辺聴取機能により音声聴取可能であることを対話相手に認知させる、着用者の状態を知らせる聴音補助装置を提供することにある。 The object of the present invention is to allow the conversation partner to recognize that the wearer can listen to the voice by the peripheral listening function when performing the peripheral listening function while performing the peripheral listening function and the music listening function. It is to provide a hearing aid device for informing.
本発明に係る着用者の状態を知らせる聴音補助装置は、周辺聴取機能及び音楽聴取機能の選択の入力を獲得する入力部と、周辺のサウンドを獲得する少なくとも一つ以上のマイクと、周辺のサウンドを着用者に伝達するスピーカーと、外部の電気通信機器と有線又は無線に通信する通信部と、周辺聴取機能や音楽聴取機能の遂行中であることを表示する表示部と、入力部からの選択の入力により、マイクからの周辺のサウンドを獲得してスピーカーに伝達する周辺聴取機能を遂行したり、格納された音楽や通信部から受信された音楽を再生してスピーカーに伝達する音楽聴取機能を遂行する制御部とからなる。 A hearing assistance device for notifying a wearer's condition according to the present invention includes an input unit for acquiring input of selection of a peripheral listening function and a music listening function, at least one microphone for acquiring peripheral sound, and peripheral sound From the speaker, a communication unit that communicates with an external telecommunication device in a wired or wireless manner, a display unit that displays that a peripheral listening function or a music listening function is being performed, and an input unit Listening to the surrounding sound from the microphone and transmitting it to the speaker with the input of, or playing the stored music and music received from the communication unit and transmitting it to the speaker It consists of a control unit that performs.
また、制御部は、獲得した周辺のサウンドに人の音声が含まれているかを確認し、人の音声が含まれている場合、表示部により人の音声がスピーカーを通じて伝達されていることを表示するのが好ましい。 In addition, the control unit checks whether the acquired surrounding sound includes human voice. If the human voice is included, the control unit displays that the human voice is transmitted through the speaker. It is preferable to do this.
また、制御部は、周辺のサウンドをフレーム単位として獲得し、基本個数であるＮ個（Ｎ＝自然数）のフレームのパワーを算定し、算定されたＮ個のフレームのパワーを用いて第Ｎのフレームの基本パワーを算定し、算定された基本パワーよりも(Ｎ＋１)個以後のフレームのパワーが大きい場合、周辺のサウンドに人の音声が含まれていると判断し、表示部により人の音声がスピーカーを通じて伝達されていることを表示するのが好ましい。 In addition, the control unit obtains surrounding sounds in units of frames, calculates the power of N frames (N = natural number) that is a basic number, and uses the calculated power of N frames to calculate the Nth frame. The basic power of the frame is calculated. If the power of the frame after (N + 1) frames is larger than the calculated basic power, it is determined that the surrounding sound contains human voice, and the human voice is displayed on the display. Is preferably displayed through the speaker.
また、制御部は、下記の数式（数３）により第２のフレームの基本パワーを算定し、
［数３］
第２のフレームの基本パワー＝λ×第１のフレームのパワー＋(１−λ)×第２のフレームのパワー、
ここで、λは０及び１の間の値を持つ忘却因子(forgetting factor)であるのが好ましい。
In addition, the control unit calculates the basic power of the second frame by the following mathematical formula (Equation 3),
[Equation 3]
Basic power of the second frame = λ × power of the first frame + (1−λ) × power of the second frame,
Here, λ is preferably a forgetting factor having a value between 0 and 1.
また、制御部は、第Ｎのフレームの基本パワーを下記の数式（数４）により算定し、
［数４］
第Ｎのフレームの基本パワー＝λ×第(Ｎ−１)のフレームの基本パワー＋(１−λ)×第Ｎのフレームのパワー、
ここで、Ｎは３以上であり、基本個数までの自然数であるのが好ましい。
In addition, the control unit calculates the basic power of the Nth frame by the following formula (Equation 4),
[Equation 4]
Nth frame basic power = λ × (N−1) th frame basic power + (1−λ) × Nth frame power,
Here, N is 3 or more, and is preferably a natural number up to the basic number.
また、制御部は、第Ｎのフレームの基本パワーのアップデート(update)が必要であるかを判断して、アップデートが必要な場合、下記の数式（数５）を用いてアップデートを遂行し、
［数５］
第Ｎのフレームの基本パワー＝λ×第(Ｎ−１)のフレームの基本パワー＋(１−λ)×第Ｎのフレームのパワー、
ここで、Ｎは(基本個数＋１)以上の自然数であり、λは０及び１の間の値を持つ忘却因子であるのが好ましい。
In addition, the control unit determines whether the basic power of the Nth frame needs to be updated. If the update is necessary, the controller performs the update using the following formula (Equation 5):
[Equation 5]
Nth frame basic power = λ × (N−1) th frame basic power + (1−λ) × Nth frame power,
Here, N is a natural number of (basic number + 1) or more, and λ is preferably a forgetting factor having a value between 0 and 1.
また、制御部は、第Ｎのフレームの基本パワーよりも第(Ｎ＋１)以後のフレームのパワーが小さい場合、第Ｎのフレームの基本パワーをアップデートするのが好ましい。 The control unit preferably updates the basic power of the Nth frame when the power of the (N + 1) th and subsequent frames is smaller than the basic power of the Nth frame.
また、制御部は、算定された基本パワーよりも(Ｎ＋１)個以後のフレームのパワーが大きい場合の累積回数を格納し、格納された累積回数が基準累積回数以上である場合、周辺のサウンドに人の音声が含まれていると判断するのが好ましい。 In addition, the control unit stores the cumulative number of times when the power of (N + 1) frames and after is greater than the calculated basic power, and if the stored cumulative number is equal to or greater than the reference cumulative number, It is preferable to determine that human voice is included.
また、制御部は、既設定の臨界帯域別に各フレームのパワー及び基本パワーを算定するのが好ましい。 The control unit preferably calculates the power and basic power of each frame for each preset critical band.
本発明は、周辺聴取機能及び音楽聴取機能を遂行しながら、周辺聴取機能の遂行時に、着用者が周辺聴取機能により音声聴取可能であることを対話相手に認知させることができる。 According to the present invention, while performing the peripheral listening function and the music listening function, the conversation partner can recognize that the wearer can listen to the voice by the peripheral listening function when performing the peripheral listening function.
以下、図面に基づき、本発明の好適な実施例を詳細に説明する。 Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.
図１は、本発明に係る着用者の状態を知らせる聴音補助装置の構成図である。本発明に係る聴音補助装置は、必要な電源を供給する電源部１と、電源のオン/オフの入力、及び周辺聴取機能と音楽聴取機能との選択/変換の入力を獲得する入力部３と、周辺のサウンド(音声や音響)などを獲得するための第１及び第２のマイク５ａ、５ｂと、電源のオン/オフ状態及び現在遂行中である機能(周辺聴取機能及び音楽聴取機能)を表示する表示部７と、音声や音楽などのサウンドを表出するスピーカー９と、外部の電気通信機器(例えば、スマートフォン、パッド、タブレットＰＣ等)と有線及び/又は無線に(例えば、ブルートゥース(Bluetooth)（登録商標）通信等)通信する通信部１１と、前記の構成要素を制御し、入力部３からの選択/変換の入力によって周辺聴取機能及び音楽聴取機能の一つを遂行する制御部２０とからなる。ただし、電源部１と、入力部３と、第１及び第２のマイク５ａ、５ｂと、表示部７と、スピーカー９と、通信部１１とは、本発明が属する技術分野における通常の知識を有する者に広く知られた技術に過ぎないので、その詳細な説明は省略する。 FIG. 1 is a configuration diagram of a hearing aid device that informs the wearer of the present invention. The hearing aid device according to the present invention includes a power supply unit 1 for supplying necessary power, an input unit 3 for acquiring power on / off input, and selection / conversion input between a peripheral listening function and a music listening function. , First and second microphones 5a and 5b for acquiring peripheral sounds (voice and sound), etc., power on / off state and currently executing functions (peripheral listening function and music listening function) A display unit 7 for displaying, a speaker 9 for expressing sound such as voice and music, an external telecommunication device (for example, a smartphone, a pad, a tablet PC, etc.) and wired and / or wirelessly (for example, Bluetooth (Bluetooth ) (Registered trademark) communication, etc.) The communication unit 11 that communicates, and the control unit 20 that controls the above-described components and performs one of the peripheral listening function and the music listening function by the selection / conversion input from the input unit 3 It consists of. However, the power supply unit 1, the input unit 3, the first and second microphones 5a and 5b, the display unit 7, the speaker 9, and the communication unit 11 have normal knowledge in the technical field to which the present invention belongs. Since it is only a technique widely known to those who have it, a detailed description thereof will be omitted.
まず、音楽聴取モードについて説明する。制御部２０は、入力部３により着用者から音楽聴取モードに対する選択の入力を獲得し、格納された音響ファイル(例えば、ｍｐ３、ｍｐ４等)を読み込んで格納の再生プログラムを用いて音響電気信号に変換して、スピーカー９に音響電気信号を印加して音響(音楽)を発生させることで、着用者が音響を聴取するようにする。また、制御部２０は、表示部７により現在音楽聴取モードの遂行中であることを表示する。又は、制御部２０は、通信部１１により外部の電気通信機器から音響ファイルを受信し、格納の再生プログラムを用いて音響電気信号に変換して、スピーカー９に音響電気信号を印加して音響(音楽)を発生させることもできる。 First, the music listening mode will be described. The control unit 20 obtains an input of selection with respect to the music listening mode from the wearer by the input unit 3, reads a stored acoustic file (for example, mp3, mp4, etc.), and converts it into an acoustoelectric signal using a stored reproduction program. By converting and applying an acoustic electric signal to the speaker 9 to generate sound (music), the wearer listens to the sound. Further, the control unit 20 displays on the display unit 7 that the music listening mode is currently being performed. Alternatively, the control unit 20 receives an acoustic file from an external telecommunication device by the communication unit 11, converts it into an acoustoelectric signal using a stored reproduction program, applies the acoustoelectric signal to the speaker 9, Music) can also be generated.
次に、周辺聴取モードについて説明する。制御部２０は、入力部３により着用者から周辺聴取モードに対する選択の入力を獲得し、第１及び第２のマイク５ａ、５ｂの少なくとも一つを動作させて周辺のサウンド(音声や音響)を獲得する。このとき、制御部２０は、表示部７により周辺聴取モードの遂行中であることを表示する。また、制御部２０は、獲得した周辺のサウンドに人の音声が含まれているかを確認する。以下、制御部２０が獲得した周辺のサウンドに人の音声が含まれているかを確認する過程を詳細に説明する。制御部２０は、周辺のサウンドに人の音声が含まれていることを確認すれば、表示部７により人の音声が獲得されていることを表示する。制御部２０は、ノイズが除去された周辺のサウンドを増幅したり、既設定の方式により処理したりして、スピーカー９を通じて着用者の聴覚器官に伝達する。このような表示により、着用者と対話する対話相手が着用者の聴音補助装置を介して対話相手の音声が着用者に伝達されていることを確認することができる。 Next, the peripheral listening mode will be described. The control unit 20 obtains an input of selection with respect to the peripheral listening mode from the wearer by the input unit 3, and operates at least one of the first and second microphones 5a and 5b to generate a peripheral sound (voice or sound). To win. At this time, the control unit 20 displays on the display unit 7 that the peripheral listening mode is being performed. In addition, the control unit 20 confirms whether or not a human voice is included in the acquired peripheral sound. Hereinafter, a process of confirming whether or not a human voice is included in surrounding sounds acquired by the control unit 20 will be described in detail. If the control unit 20 confirms that the surrounding sound includes human voice, the control unit 20 displays that the human voice is acquired by the display unit 7. The control unit 20 amplifies the surrounding sound from which noise has been removed, or processes the sound by a preset method, and transmits the amplified sound to the wearer's auditory organ through the speaker 9. With such a display, it is possible to confirm that the other party's voice is transmitted to the wearer via the wearer's listening assistance device.
図２は、図１の聴音補助装置の斜視図である。聴音補助装置は、両端部３０ａ、３０ｂ間に開放部を備え、着用者の首部や肩等のような身体にスムーズに乗せる本体部３０を備える。 FIG. 2 is a perspective view of the hearing aid device of FIG. The hearing aid device includes an opening portion between both end portions 30a and 30b, and includes a main body portion 30 that can be smoothly placed on the body such as the neck and shoulders of the wearer.
入力部３は、本体部３０に形成され、電源オン/オフの入力部３ａと、周辺聴取機能及び音楽聴取機能の一つを選択したり、両機能間の変換の入力を獲得するための機能入力部３ｂとからなる。 The input unit 3 is formed in the main body unit 30 and is a function for selecting one of the power on / off input unit 3a, the peripheral listening function and the music listening function, or acquiring an input of conversion between the two functions. The input unit 3b.
第１及び第２のマイク５ａ、５ｂは、周辺のサウンド(音響や音声)を獲得するために、本体部３０の外側に向けるように本体部３０に形成される。 The first and second microphones 5 a and 5 b are formed in the main body 30 so as to face the outside of the main body 30 in order to acquire surrounding sounds (sound and voice).
表示部７は、周辺聴取機能や音楽聴取機能の遂行中であることを表示する第１の表示器７ａと、獲得した周辺のサウンドに人の音声が含まれていることを表示する第２の表示器７ｂとを少なくとも含む。第２の表示器７ｂの表示により、対話相手は着用者との対話が可能であることを容易に確認できる。或いは、表示部７(第１の表示器７ａ及び第２の表示器７ｂ)は、色相(青色、赤色)や点滅を違うように表示できる１個の表示器から構成され得る。 The display unit 7 includes a first display 7a for displaying that the peripheral listening function and the music listening function are being performed, and a second indicator for displaying that the acquired peripheral sound includes human voice. And at least a display 7b. By the display on the second display 7b, the conversation partner can easily confirm that the conversation with the wearer is possible. Alternatively, the display unit 7 (the first display unit 7a and the second display unit 7b) can be composed of a single display unit that can display the hue (blue, red) and blinking differently.
スピーカー９は、本体部３０の両端部３０ａ、３０ｂに各々連結する一対のスピーカーからなり、着用者の耳に挿入したり乗せるようにして、音楽や音声を伝達する。 The speaker 9 is composed of a pair of speakers respectively connected to both end portions 30a and 30b of the main body 30 and transmits music and voice so as to be inserted into or put on the wearer's ear.
図３は、図１の聴音補助装置における人の音声を確認する方法の順序図である。制御部２０は、入力部３により着用者から周辺聴取モードに対する選択の入力を獲得して周辺聴取モードを遂行する。 FIG. 3 is a flow chart of a method for confirming a human voice in the hearing aid apparatus of FIG. The control unit 20 acquires a selection input for the peripheral listening mode from the wearer by the input unit 3 and performs the peripheral listening mode.
段階(Ｓ１)において、制御部２０は、第１及び第２のマイク５ａ、５ｂを通じて周辺のサウンドを獲得し、周辺のサウンドの基本パワーを算定する。制御部２０は、周辺のサウンドをフレーム単位に獲得する。ここで、フレーム(frame)は、時間を意味する複数のサンプル(sample)を意味するもので、例えば、サンプリング速度(Sampling rate)＝４８０００の時、１sampleは１/４８０００秒を意味し、２５６sampleは２５６/４８０００秒を意味し、１フレームは２５６samplesで設定され得る。 In step (S1), the control unit 20 acquires surrounding sounds through the first and second microphones 5a and 5b, and calculates the basic power of the surrounding sounds. The control unit 20 acquires surrounding sounds in units of frames. Here, the frame means a plurality of samples that mean time. For example, when the sampling rate is 48000, 1 sample means 1/48000 seconds, and 256 sample means It means 256/48000 seconds, and one frame can be set at 256 samples.
また、制御部２０は、周辺のサウンドの基本パワーを算定するために、まず、基本個数だけのフレームごとに臨界帯域別に周辺のサウンドのパワーを算定する。臨界帯域(critical band)は、下記の表１と複数の周波数とをグループ化したものである。 Further, in order to calculate the basic power of the surrounding sound, the control unit 20 first calculates the power of the peripheral sound for each critical band for each basic number of frames. The critical band is a grouping of Table 1 below and multiple frequencies.
各フレームごとの周辺のサウンドは、表１の第１乃至第Ｎ（Ｎ＝自然数）の臨界帯域に区別され、各臨界帯域ごとのパワーが算定される。制御部２０が、例えば、一つのフレームの間の周辺のサウンドに対して１２８point FFTを遂行する場合、６４個の実数部(real)及び虚数部(imag)を生成し、(real)２＋(imag)２を遂行し、６４個のパワーを算定する。制御部２０は、このように算定された６４個のパワーを表１の周波数の範囲である臨界帯域によって各臨界帯域のパワーを算定する。例えば、６４個のbinを１０、２０、３４の３つの臨界帯域で構成する場合、臨界帯域のパワーは、各々、(１０個のパワーの合算)/１０、(２０個のパワーの合算)/２０、(３４個のパワーの合計)/３４として算定される。 The surrounding sounds for each frame are classified into the first to Nth (N = natural number) critical bands in Table 1, and the power for each critical band is calculated. For example, when the control unit 20 performs a 128-point FFT on a surrounding sound during one frame, 64 real parts (real) and imaginary parts (imag) are generated, and (real) 2 + ( imag) Perform 2 and calculate 64 powers. The control unit 20 calculates the power of each critical band from the 64 powers calculated in this way by the critical band that is the frequency range of Table 1. For example, when 64 bins are configured with three critical bands of 10, 20, and 34, the powers of the critical bands are (sum of 10 powers) / 10, (sum of 20 powers) / Calculated as 20, (total of 34 powers) / 34.
また、制御部２０は、フレームのパワーを用いて基本パワーを臨界帯域別に算定する。特定臨界帯域での基本個数の各フレームのパワーを用いて特定臨界帯域の基本パワーを算定する方式により、全体臨界帯域でのそれぞれの基本パワーを算定する。まず、制御部２０は、特定臨界帯域での以前フレームまでの基本パワー及び現在フレームのパワーを下記の数式（数１）のように演算して、基本個数に該当する現在フレームのパワーを基本パワーとして設定する。 Further, the control unit 20 calculates the basic power for each critical band using the power of the frame. Each basic power in the entire critical band is calculated by a method for calculating the basic power in the specific critical band using the power of each basic number of frames in the specific critical band. First, the control unit 20 calculates the basic power up to the previous frame in the specific critical band and the power of the current frame as in the following formula (Equation 1), and calculates the power of the current frame corresponding to the basic number as the basic power. Set as.
［数１］
第Ｎのフレームの基本パワー＝λ×第(Ｎ−１)のフレームの基本パワー＋(１−λ)×第Ｎのフレームのパワー
ここで、Ｎは３以上であり２０までの自然数であり、λは急変する信号を防止するために用いられる忘却因子であって、０及び１の間の値であり、数式（数１）は低帯域フィルターと同一の作用をする。
[Equation 1]
Nth frame basic power = λ × (N−1) th frame basic power + (1−λ) × Nth frame power where N is a natural number greater than or equal to 3 and up to 20. λ is a forgetting factor used to prevent a sudden change signal, and is a value between 0 and 1, and the equation (Equation 1) acts the same as a low-band filter.
制御部２０は、第２のフレームの基本パワーを
［数３］
第２のフレームの基本パワー＝(λ×第１のフレームのパワー＋(１−λ)×第２のフレームのパワー)
の数式（数３）により算定し、第３のフレームの基本パワーからは数式（数１）のように算定する。制御部２０は、２０個のフレームを基本パワーを算定するための基本個数として設定して、基本パワーを臨界帯域別に算定する。ここで、基本個数は可変設定され得る。
The control unit 20 sets the basic power of the second frame to [Equation 3].
Basic power of the second frame = (λ × power of the first frame + (1−λ) × power of the second frame)
(Equation 3) and the basic power of the third frame is calculated as shown in Equation (Equation 1). The controller 20 sets 20 frames as the basic number for calculating the basic power, and calculates the basic power for each critical band. Here, the basic number can be variably set.
段階(Ｓ３)において、制御部２０は、基本個数以上のフレームを獲得したかを判断する。制御部２０は、基本個数以上のフレームを獲得して基本パワーを算定するようにするために、基本個数未満の各フレームを獲得した場合に段階(Ｓ１)に進行し、基本個数以上の各フレームを獲得した場合に段階(Ｓ５)に進行する。 In step (S3), the control unit 20 determines whether the basic number of frames or more have been acquired. In order to acquire the basic number or more frames and calculate the basic power, the control unit 20 proceeds to step (S1) when each frame less than the basic number is acquired, and each frame exceeding the basic number is obtained. Proceeds to step (S5).
段階(Ｓ５)において、制御部２０は、基本個数を超過する追加フレーム(第２１のフレーム又は第(Ｎ＋１)のフレーム)を獲得して、追加フレームのパワーを算定する。 In step (S5), the control unit 20 acquires an additional frame (the 21st frame or the (N + 1) th frame) exceeding the basic number, and calculates the power of the additional frame.
段階(Ｓ７)において、制御部２０は、段階(Ｓ５)において算定された追加フレームのパワーと、段階(Ｓ１)において算定された基本個数までの(又は追加フレーム以前のフレームまでの)基本パワー(即ち、第２０のフレームの基本パワー)とを比較する。もし、追加フレームのパワーが基本パワーよりも大きい場合には段階(Ｓ９)に進行し、そうでない場合には段階(Ｓ１１)に進行する。 In step (S7), the control unit 20 determines the power of the additional frame calculated in step (S5) and the basic power (up to the frame before the additional frame) calculated in step (S1). That is, the basic power of the 20th frame is compared. If the power of the additional frame is larger than the basic power, the process proceeds to step (S9), and if not, the process proceeds to step (S11).
段階(Ｓ９)において、制御部２０は、追加フレームのパワーが基本パワーよりも大きいので、周辺のサウンドに人の音声が含まれていると判断して、追加フレームに該当する周辺のサウンドをスピーカー９を通じて表面から出力して人の音声を伝達しながら、表示部７により着用者が対話相手の音声を聞いていることを表示して対話相手がこれを認知できるようにする。 In step (S9), since the power of the additional frame is greater than the basic power, the control unit 20 determines that the surrounding sound includes human voice, and transmits the peripheral sound corresponding to the additional frame to the speaker. The display unit 7 displays the fact that the wearer is listening to the voice of the conversation partner so that the conversation partner can recognize the voice while outputting the voice of the person by outputting from the surface through 9.
段階(Ｓ１１)において、制御部２０は、現在算定された基本パワーのアップデートが必要であるかを判断する。特に、追加フレームのパワーが現在算定された基本パワーよりも小さい場合、制御部２０は、追加フレームのパワーと現在算定された基本パワーとを考慮して基本パワーをアップデートして、周辺のサウンドに音声が含まれているかをより正確に判断できるようにする。もし、基本パワーのアップデートが必要であれば、例えば追加フレームのパワーが現在算定された基本パワーよりも小さいと段階(Ｓ１３)に進行し、そうでないと段階(Ｓ１５)に進行する。 In step (S11), the control unit 20 determines whether the currently calculated basic power needs to be updated. In particular, when the power of the additional frame is smaller than the currently calculated basic power, the control unit 20 updates the basic power in consideration of the power of the additional frame and the currently calculated basic power, so that the surrounding sound is obtained. Make it possible to more accurately determine whether audio is included. If the basic power needs to be updated, for example, if the power of the additional frame is smaller than the currently calculated basic power, the process proceeds to step (S13), and if not, the process proceeds to step (S15).
段階(Ｓ１３)において、制御部２０は、追加フレームのパワーを用いた基本パワーのアップデートを遂行する。制御部２０は、下記の数式（数２）を用いて基本パワーのアップデートを遂行する。 In step (S13), the control unit 20 updates the basic power using the power of the additional frame. The control unit 20 performs the basic power update using the following formula (Equation 2).
［数２］
第Ｎのフレームの基本パワー＝λ×第(Ｎ−１)のフレームの基本パワー＋(１−λ)×第Ｎのフレームのパワー
ここで、Ｎは２１以上の自然数であり、λは急変する信号を防止するために用いられる忘却因子であって、０及び１の間の値である。
[Equation 2]
Nth frame basic power = λ × (N−1) th frame basic power + (1−λ) × Nth frame power N is a natural number of 21 or more, and λ changes suddenly. A forgetting factor used to prevent signals, a value between 0 and 1.
段階(Ｓ１５)において、制御部２０は、入力部３から周辺聴取モードの終了の入力を獲得したかを判断する。もし、周辺聴取モードの終了の入力を獲得した場合には人の音声を確認する方法を終了し、そうでない場合には段階(Ｓ５)に進行して、制御部２０は追加フレーム(例えば、第２２のフレーム)をマイク５ａ、５ｂから獲得して、段階(Ｓ５)乃至(Ｓ１３)を遂行する。 In step (S15), the control unit 20 determines whether an input for ending the peripheral listening mode has been obtained from the input unit 3. If the input of the end of the peripheral listening mode is acquired, the method for confirming the human voice is terminated, and if not, the process proceeds to step (S5), and the control unit 20 adds an additional frame (for example, the first frame). 22 frames) are obtained from the microphones 5a and 5b, and steps (S5) to (S13) are performed.
前述した段階(Ｓ７)においては、制御部２０が追加フレームのパワーと基本パワーとを比較する時、臨界帯域別として比較する。下記の表２は、臨界帯域による追加フレームのパワー及び基本パワーの例示等である。 In the above-described step (S7), when the control unit 20 compares the power of the additional frame with the basic power, the comparison is performed for each critical band. Table 2 below shows an example of the power of the additional frame and the basic power according to the critical band.
前述した段階(Ｓ７)において、制御部２０は、表２のデータに基づき、第１、第４乃至第７の臨界帯域において、追加フレームのパワーが基本パワーよりも大きいことを確認し、全体臨界帯域個数(７つ)の中で基準帯域個数(例えば４つ)以上の臨界帯域において、追加フレームのパワーが基本パワーよりも大きい場合、人の音声が含まれていると判断して、段階(Ｓ９)に進行し得る。 In the above-described step (S7), the control unit 20 confirms that the power of the additional frame is larger than the basic power in the first, fourth to seventh critical bands based on the data in Table 2, and determines the overall criticality. If the power of the additional frame is larger than the basic power in the critical band of the number of bands (seven) or more than the number of reference bands (for example, four), it is determined that human voice is included, and the stage ( Proceed to S9).
また、前述した段階(Ｓ１１)において、制御部２０は、追加フレームのパワーが現在算定された基本パワーよりも小さい場合である第２及び第３の臨界帯域に対するアップデートが必要であると判断して、段階(Ｓ１３)に進行して、追加フレームのパワーを用いて第２及び第３の臨界帯域の基本パワーのアップデートを遂行する。 Further, in the above-described step (S11), the control unit 20 determines that the second and third critical bands, which are the cases where the power of the additional frame is smaller than the currently calculated basic power, need to be updated. In step S13, the basic power of the second and third critical bands is updated using the power of the additional frame.
或いは、前述した段階(Ｓ７)においては、もし、追加フレームのパワーが基本パワーよりも大きいと、段階(Ｓ９)の代りに、音声の存在を判断するための累積回数を増加させ、段階(Ｓ１１)に進行することも可能である。制御部２０は、この累積回数が基準累積回数(例えば３回)以上である場合、段階(Ｓ９)のように周辺のサウンドに人の音声が含まれていることを表示させることもできる。また、制御部２０は、この累積回数が基準時間以内に基準累積回数以上になった場合、周辺のサウンドに人の音声が含まれていると判断して、段階(Ｓ９)と類似しているように、追加フレームに該当する周辺のサウンドをスピーカー９を通じて表出して人の音声を伝達しながら、表示部７により着用者が対話相手の音声を聞いていることを表示する。又は、この累積回数が基準時間以内に基準累積回数に到達できない場合、制御部２０は、この累積回数を初期化することもできる。 Alternatively, in the above-described step (S7), if the power of the additional frame is larger than the basic power, instead of the step (S9), the cumulative number for determining the presence of speech is increased and the step (S11) is performed. ) Is also possible. When the cumulative number is equal to or greater than the reference cumulative number (for example, three times), the control unit 20 can display that the surrounding sound includes human voice as in step (S9). Further, when the cumulative number becomes equal to or greater than the reference cumulative number within the reference time, the control unit 20 determines that the surrounding sound includes human voice, and is similar to the step (S9). As described above, the display unit 7 displays that the wearer is listening to the voice of the conversation partner while displaying the surrounding sound corresponding to the additional frame through the speaker 9 and transmitting the voice of the person. Alternatively, when the cumulative number cannot reach the reference cumulative number within the reference time, the control unit 20 can initialize the cumulative number.
なお、上記に説明した通り、本発明は、前述した特定の好適な実施例に限定されず、請求の範囲で請求する本発明の要旨から逸脱しない範囲内において、当該発明が属する技術分野における通常の知識を有する者であれば、誰でも多様な変形の実施が可能である。 Note that, as described above, the present invention is not limited to the specific preferred embodiments described above, and is within the scope of the gist of the present invention claimed in the scope of claims. Anyone with knowledge of the above can implement various modifications.
１ 電源部
３ 入力部
５ａ、５ｂ 第１及び第２のマイク
７ 表示部
９ スピーカー
１１ 通信部
２０ 制御部
DESCRIPTION OF SYMBOLS 1 Power supply part 3 Input part 5a, 5b 1st and 2nd microphone 7 Display part 9 Speaker 11 Communication part 20 Control part
Claims (9)
周辺のサウンドを獲得する少なくとも一つ以上のマイクと、
周辺のサウンドを着用者に伝達するスピーカーと、
外部の電気通信機器と有線又は無線に通信する通信部と、
周辺聴取機能や音楽聴取機能の遂行中であることを表示する表示部と、
入力部からの選択の入力により、マイクからの周辺のサウンドを獲得してスピーカーに伝達する周辺聴取機能を遂行したり、格納された音楽や通信部から受信された音楽を再生してスピーカーに伝達する音楽聴取機能を遂行する制御部とからなることを特徴とする、着用者の状態を知らせる聴音補助装置。 An input unit for acquiring an input of selection of a peripheral listening function and a music listening function;
At least one microphone that captures surrounding sounds,
A speaker that transmits surrounding sounds to the wearer;
A communication unit that communicates with an external telecommunication device in a wired or wireless manner;
A display unit for displaying that the peripheral listening function and the music listening function are being performed;
Performs a peripheral listening function that acquires surrounding sound from the microphone and transmits it to the speaker by selection input from the input unit, or plays stored music or music received from the communication unit and transmits it to the speaker A sound assisting device for notifying the wearer's condition, comprising a control unit for performing a music listening function.
［数３］
第２のフレームの基本パワー＝λ×第１のフレームのパワー＋(１−λ)×第２のフレームのパワー、
ここで、λは０及び１の間の値を持つ忘却因子であることを特徴とする、請求項３に記載の着用者の状態を知らせる聴音補助装置。 The control unit calculates the basic power of the second frame by the following formula (Equation 3),
[Equation 3]
Basic power of the second frame = λ × power of the first frame + (1−λ) × power of the second frame,
Here, λ is a forgetting factor having a value between 0 and 1, according to claim 3, wherein the audible assist device informs the wearer of the condition.
［数４］
第Ｎのフレームの基本パワー＝λ×第(Ｎ−１)のフレームの基本パワー＋(１−λ)×第Ｎのフレームのパワー、
ここで、Ｎは３以上であり、基本個数までの自然数であることを特徴とする、請求項４に記載の着用者の状態を知らせる聴音補助装置。 The control unit calculates the basic power of the Nth frame by the following formula (Equation 4),
[Equation 4]
Nth frame basic power = λ × (N−1) th frame basic power + (1−λ) × Nth frame power,
Here, N is 3 or more, and is a natural number up to the basic number.
［数５］
第Ｎのフレームの基本パワー＝λ×第(Ｎ−１)のフレームの基本パワー＋(１−λ)×第Ｎのフレームのパワー、
ここで、Ｎは(基本個数＋１)以上の自然数であり、λは０及び１の間の値を持つ忘却因子であることを特徴とする、請求項３に記載の着用者の状態を知らせる聴音補助装置。 The control unit determines whether the basic power of the Nth frame needs to be updated. If the update is necessary, the control unit performs the update using the following formula (Equation 5):
[Equation 5]
Nth frame basic power = λ × (N−1) th frame basic power + (1−λ) × Nth frame power,
Here, N is a natural number equal to or greater than (basic number + 1), and λ is a forgetting factor having a value between 0 and 1, according to claim 3, Auxiliary device.
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| KR102139599B1 (en) | 2018-11-29 | 2020-07-29 | 주식회사 비에스엘 | Sound transferring apparatus |
| KR20200064396A (en) | 2018-11-29 | 2020-06-08 | 주식회사 비에스엘 | Sound transferring apparatus with sound calibration function |
| KR102135800B1 (en) | 2019-02-08 | 2020-07-20 | 주식회사 이엠텍 | Wireless hearing assisting device |
| CN112135220A (en) * | 2020-10-23 | 2020-12-25 | 安徽讴歌电子科技有限公司 | Multipurpose earphone |
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| KR101494306B1 (en) * | 2013-08-19 | 2015-02-26 | 김영서 | Ommited |
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| JP2000286736A (en) * | 1999-03-31 | 2000-10-13 | Aiwa Co Ltd | Radio receiver with hearing aid function |
| JP2011097268A (en) * | 2009-10-28 | 2011-05-12 | Sony Corp | Playback device, headphone, and playback method |
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| KR101760753B1 (en) | 2017-07-24 |
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